glutamic acid

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Description
Characteristics A white crystalline or crystammine powder acid taste and slightly agreeable.
Specific rotation [a]D20° +30.5 °~ +32.5°
Chloride (Cl) 0.02% max
Ammonium (NH4) 0.02% max
Sulfate (SO4) 0.02% max
Iron (Fe) 10ppm max
Heavy metals (Pb) 10ppm max
Cadmium 1ppm max
Mercury 0.1ppm max
Arsenic (AS2O3) 1ppm max
Other amino acids Conform to starndard.
Loss on drying 0.5% max
Residue on ignition(sulfated) 0.10% max
Assay: 98.5% to 100.5%
PH 3.0 to3.5
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